:root{color-scheme:dark;--bg:#0e1414;--surface:#192220;--ink:#f2f3e8;--muted:#b4c5bf;--mint:#ade4c8;--coral:#ff775f;--line:#34413c;font-family:ui-rounded,'SF Pro Rounded',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:17px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.65}a{color:var(--mint);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}a:focus-visible,summary:focus-visible{outline:3px solid var(--coral);outline-offset:6px}img{max-width:100%;height:auto}header,main,footer{width:min(1120px,calc(100% - 48px));margin-inline:auto}header{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:28px 0;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-size:1.4rem;font-weight:800;color:var(--ink);text-decoration:none;letter-spacing:-.04em}.brand img{width:46px;border-radius:12px}nav{display:flex;flex-wrap:wrap;gap:24px}nav a{font-size:.94rem}.hero{display:grid;grid-template-columns:1.1fr .8fr;gap:64px;align-items:center;padding:64px 0 72px}.eyebrow{font-size:.82rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--mint)}h1{font-size:clamp(2.5rem,6vw,4.8rem);letter-spacing:-.055em;line-height:1.06;margin:.35em 0}h2{font-size:1.7rem;line-height:1.25;letter-spacing:-.035em;margin-top:2rem}h3{font-size:1.12rem;line-height:1.4}p{margin:1em 0}.lead{font-size:1.2rem;color:var(--muted);max-width:44ch}.accent{color:var(--coral)}.button{display:inline-block;margin:12px 0;padding:12px 22px;border-radius:14px;background:var(--mint);color:#102018;font-weight:700;text-decoration:none}.details{font-size:.9rem;color:var(--muted)}.screen{display:block;width:min(100%,345px);margin:auto;border:1px solid var(--line);border-radius:28px;box-shadow:0 24px 80px #0007}figure{margin:0}figcaption{text-align:center;font-size:.8rem;color:var(--muted);margin:14px 0}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:34px;padding:36px 0 72px;border-top:1px solid var(--line)}.features h2{font-size:1.5rem;margin:12px 0}.number{font-size:.82rem;font-weight:700;color:var(--coral)}.features p{color:var(--muted)}.article{max-width:800px;padding:52px 0 80px}.article h1{font-size:clamp(2.5rem,5vw,3.6rem)}.article h2{scroll-margin-top:20px;padding-top:16px}.toc{display:flex;flex-wrap:wrap;gap:10px 22px;margin:26px 0 34px;padding:20px 0;border-block:1px solid var(--line)}.note{padding:20px 24px;background:var(--surface);border-left:3px solid var(--mint);border-radius:0 12px 12px 0}.note p:first-child{margin-top:0}.note p:last-child{margin-bottom:0}li{padding:5px 0}details{border-bottom:1px solid var(--line);padding:18px 0}summary{font-size:1.08rem;font-weight:650;cursor:pointer}details p,details ol,details ul{color:var(--muted)}.contact{overflow-wrap:anywhere}footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:26px 0 40px;border-top:1px solid var(--line);font-size:.85rem;color:var(--muted)}footer a{margin-left:14px}.skip{position:absolute;top:-60px;left:16px;padding:10px;background:var(--mint);color:var(--bg)}.skip:focus{top:8px}@media(max-width:720px){header,main,footer{width:calc(100% - 36px)}header{align-items:flex-start;padding:20px 0}.brand{font-size:1.2rem}.brand img{width:38px}nav{gap:12px;justify-content:flex-end}nav a{font-size:.85rem}.hero{grid-template-columns:1fr;gap:32px;padding:38px 0}.screen{width:270px}.features{grid-template-columns:1fr;gap:8px;padding-bottom:40px}.article{padding-top:30px}h1{font-size:3rem}.lead{font-size:1.1rem}footer{display:block}footer div{margin-top:12px}footer a{margin:0 14px 0 0}}@media(prefers-reduced-motion:no-preference){a{transition:color .15s ease}}